NURS-6521 Walden University Final exam

NURS-6521 Walden University Final exam 

Question 1                                                            1 pts

A 45-year-old patient with a history of anxiety presents to the clinic with complaints of excessive worry, restlessness, and muscle tension. Which class of medications primarily works by increasing the frequency of chloride flow through GABA A receptors to alleviate these symptoms?

Group of answer choices

 

Antidepressants (e.g., Prozac)

 

Antipsychotics (e.g., Abilify)

 

Benzodiazepines (e.g., Xanax)

 

Antihistamines (e.g., Benadryl)

 

Anticonvulsants (e.g., Neurontin)

 

Question 2                                                                                                            1 pts

Why is oral vancomycin not used for systemic infections?

Group of answer choices

 

It is rapidly inactivated by gastric acid.

 

It is not absorbed from the gastrointestinal tract.

 

It has a high risk of causing systemic allergic reactions.

 

It is too potent for systemic use and can lead to toxicity.

 

It is rapidly metabolized by liver enzymes, reducing its efficacy.

 

Question 3                                                                                                        1 pts

Which change is likely with the administration of dipyridamole (Persantine)?

Group of answer choices

 

Increase in platelet cAMP levels

 

Inhibition of adenosine deaminase

 

Inhibition of the cellular reuptake of adenosine

 

All changes listed are likely.

 

Inhibition of phosphodiesterase

 

Question 4                                                                                                    1 pts

How does allopurinol contribute to the management of gout?

Group of answer choices

 

It decreases urate production.

 

It increases urate excretion.

 

It inhibits leukocyte migration.

 

It blocks the action of interleukin-1.

 

It inhibits urate absorption.

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Question 8                       1 pts

Which statement about penicillins is FALSE?

Group of answer choices

 

Oxacillin is a narrow spectrum penicillin.

 

Ticarcillin is contraindicated with administration of aminoglycosides.

 

Methicillin is associated with interstital nephritis.

 

Nafcillin is associated with neutropenia.

 

Ampicillin is a wide spectrum antibiotic that is susceptible to beta lactamases.

 

Question  5                                                                  1 pts

Initial inhibition of which factor(s) by warfarin leads to its immediate procoagulant effect?

Group of answer choices

 

Factor X

 

Factor II

 

Factor IX

 

Factor VII

Question 6                                                                                       1 pts

A patient presents with a severe cutaneous reaction characterized by diffuse flushing following vancomycin administration. The nurse practitioner recognizes this reaction as:

Group of answer choices

 

Stevens-Johnson syndrome

 

Erythema multiforme

 

Red man syndrome

 

Urticaria

 

Drug rash with eosinophilia and systemic symptoms (DRESS)

 

Question 7                                                                        1 pts

What is NOT a side effect of DES (diethylstilbestrol)?

Group of answer choices

 

Vaginal adenocarcinoma

 

Menopause

 

Ectopic pregnancy

 

Increased risk of breast cancer

 

Infertility

 

NURS-6521 Walden University Final exam Question 13                                                   1 pts

According to some guidelines, lithium is contraindicated in which condition?

Group of answer choices

 

Bipolar disorder I

 

Breastfeeding

 

Bipolar disorder II

 

In combination with antipsychotics for schizophrenia

 

In combination with antidepressants for major depressive disorder

 

Question 14                                                                                    1 pts

Tazobactam is a:

Group of answer choices

 

Penicillin-binding protein inhibitor

 

Beta-lactamase-sensitive penicillin

 

Beta-lactamase inhibitor

 

Dehydropeptidase inhibitor

 

Aminopenicillin

Question 25                                                                                          1 pts

What is an indication to prescribe a barbiturate?

Group of answer choices

 

Hypotension

 

Extubation

 

Depression

 

Narcolepsy

 

Seizure control

 

Question 42                                                                                             1 pts

Which medication, acting as a vitamin K antagonist affecting coagulation factors II, VII, IX, and X, is typically used for months after a thrombosis episode and for life in patients with mechanical heart valves?

Group of answer choices

 

Warfarin

 

Heparin

 

Rivaroxaban

 

Aspirin

 

Streptokinase

 

Question 53                                                                                             1 pts

Which of the following is NOT a common side effect of aromatase inhibitors?

Group of answer choices

 

Anorexia

 

Musculoskeletal pain

 

Decreased libido

 

Vaginal dryness

 

Cholesterol elevation

 

NURS-6521 Walden University Final exam Question 84                                                                                      1 pts

What resistance mechanism have Enterobacteriaceae developed against macrolides?

Group of answer choices

 

Adding a methyl group to change the binding site

 

Potentiation of CYP450 enzymes

 

Ejector pumps

 

Beta-lactamases

 

Drug-destroying esterases

 

Question 85                                                                        1 pts

What is the best initial treatment for a premenopausal woman who is found to have a mild microcytic anemia and low iron studies?

Group of answer choices

 

Oral iron supplementation

 

Intravenous iron dextran

 

Oral folic acid

 

Vitamin B12 injections

 

Blood transfusion

 

Question 86                                   1 pts

Which item is NOT an opioid analgesic?

Group of answer choices

 

Opium

 

Fentanyl

 

Naloxone

 

Synthetic opiates

 

Question 87                                                   1 pts

Which of the following medications reversibly inhibits the adenosine diphosphate (ADP) receptor?

Group of answer choices

 

Ticagrelor

 

Clopidogrel

 

Prasugrel

 

Ticlopidine

 

Tirofiban

 

Question 88                                                                     1 pts

Which of the following is the enzyme required for conversion of inactive coagulation factors II, VII, IX, and X into active factors?

Group of answer choices

 

Vitamin K reductase

 

Vitamin K epoxide reductase

 

Vitamin K epoxide hydrogenase

 

Vitamin K hydrogenase

 

Gamma-glutamyl carboxylase

 

Question 89                                                                            1 pts

What is the mechanism of action for eptifibatide?

Group of answer choices

 

Glycoprotein IIb/IIIa receptor antagonist, reversibly inhibiting platelet aggregation and adhesion

 

Cyclooxygenase-1 (COX-1) inhibitor, irreversibly inhibiting platelet aggregation

 

Increases the conversion of plasminogen to plasmin, promoting the breakdown of fibrin clots

 

Direct thrombin inhibitor, preventing the conversion of fibrinogen to fibrin

 

P2Y12 adenosine diphosphate (ADP) receptor antagonist, irreversibly inhibiting platelet aggregation and activation

 

Question 90                                             1 pts

Which of the following is NOT a route of administration of heparin?

Group of answer choices

 

Intravenous

 

None of the options is correct.

 

Oral

 

Subcutaneous

 

Question 91                                                          1 pts

What is a feature of tricyclic antidepressants?

Group of answer choices

 

Dialyzable

 

Lower seizure threshold

 

Insignificant first-pass metabolism

 

Low side effect profile

 

Low volume of distribution

 

Question 92                                                                                     1 pts

A woman comes to your clinic for a legal abortion at eight weeks’ gestation. You recommend a combination of mifepristone and misoprostol. What side effects are you NOT concerned with when treating patients with this regimen?

Group of answer choices

 

Nausea

 

Cramping

 

Hirsutism

 

Vomiting

 

Bleeding

 

Question 93                                                                                           1 pts

Which patient is least likely to benefit from estrogen therapy?

Group of answer choices

 

A 51-year-old woman who is experiencing hot flashes

 

A 35-year-old woman who often has painful and heavy periods

 

A 55-year-old woman with osteopenia

 

All of these patients will benefit greatly from estrogen therapy.

 

A 45-year-old mother with a history of DVT

 

Question 94                                                                                               1 pts

Which of the following statements correctly describes the dual mechanism of action for cilostazol?

Group of answer choices

 

Inhibits phosphodiesterase and adenosine uptake to increase cAMP levels and reduce platelet aggregation

 

Inhibits phosphodiesterase and increases adenosine uptake to increase cAMP levels and reduce platelet aggregation

 

Activates phosphodiesterase and reduces adenosine uptake to decrease cAMP levels and reduce platelet aggregation

 

Activates phosphodiesterase and increases adenosine uptake to increase cAMP levels and reduce platelet aggregation

 

Inhibits phosphodiesterase and adenosine uptake to reduce cAMP levels and reduce platelet aggregation

 

Question 95                                                                                     1 pts

Which vitamin is antagonized by warfarin?

Group of answer choices

 

Vitamin D

 

Vitamin C

 

Vitamin B1

 

Vitamin K

 

Vitamin E

 

Question 96                                                                                       1 pts

A patient with a history of depression has been prescribed a monoamine oxidase inhibitor (MAOI). Which dietary restriction should the nurse practitioner emphasize to prevent a potentially life-threatening reaction?

Group of answer choices

 

Limiting caffeine intake

 

Avoiding foods high in tyramine

 

Reducing sodium intake

 

Eliminating dairy products

 

Restricting carbohydrate consumption

 

Question 97                                                                                            1 pts

Which beta blocker also stimulates nitric oxide?

Group of answer choices

 

Labetalol

 

Levobunolol

 

Propranolol

 

Acebutolol

 

Nebivolol

 

Question 98                                                                                    1 pts

Dopamine antagonists can be used to decrease the effects of dopamine in order to improve symptoms of nausea and vomiting. Which of the following tracts is the likely primary target?

Group of answer choices

 

Chemoreceptor trigger zone

 

Tuberoinfundibular tract

 

Mesocortical tract

 

Mesolimbic tract

 

Nigrostriatal tract

 

Question 99                                                                                 1 pts

What is the mechanism of action of rituximab?

Group of answer choices

 

Inhibitor of MAP kinase

 

COX-1 inhibitor

 

Monoclonal antibody to CD20

 

COX-2 inhibitor

 

Monoclonal antibody to CD19

 

SOLVED WITH ANSWERS – NURS-6521 Walden University Final exam Question 100                                                                               1 pts

Which medications are most effective in treating benign prostatic hypertrophy (BPH)?

Group of answer choices

 

Alpha-1 adrenergic agonists and a beta 2 agonist

 

5-alpha reductase inhibitor and calcium channel blocker

 

5-alpha reductase inhibitor and nitroglycerin

 

Alpha-1 adrenergic antagonists and a 5-alpha reductase inhibitor