NURS 6521 Final Exam (Walden University): Study Guide and Questions

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.

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