NUR 421 NCLEX Exam Prep 2025 | Nursing Capstone Practice Test & Comprehensive Review

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NUR 421 NCLEX EXAM PREP – CANVAS LATEST 2025

EXAM 1| COMPLETE EXAM| QUESTIONS WITH

CORRECT VERIFIED ANSWERS/ ALREADY GRADED A+

What is the assessment involved with allergy scratch testing?

.....ANSWER..... drop of allergen is placed on the skin then

pricking device is used to allow the allergen to enter the skin

What indicated a positive reaction with an allergy test?

.....ANSWER..... local wheal-and-flare response

What are the safety considerations with allergy scratch testing?

.....ANSWER..... never leave pt. alone, remove extract if reaction

occurs & apply topical anti-inflammatory cream, epinephrine

may be necessary if reaction is severe enough

What is a normal CD4 level? .....ANSWER..... 800-1200

What CD4 level indicates pt. is immunocompromised?

.....ANSWER..... less than 500

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What CD4 level indicates AIDS? .....ANSWER..... less than 200

What is involved with the assessment for HIV? .....ANSWER..... pt.

edu for those at risk, modifying risky behaviors, early recognition

& treatment

What are the dx. with HIV? .....ANSWER..... blood tests, rapid

HIV, *Western blot test is best confirmation test*

What is involved with the assessment for a porta-cath for chemo

administration? .....ANSWER..... monitor for phlebitis, irritant,

vesicant, have to be accessed once a month when not being used

What meds can be given prior to chemo? .....ANSWER.....

antiemetics

What is the pt. edu with chemotherapy? .....ANSWER..... possible

side effects, how to manage side effects, when to contact HCP

What labs do we monitor with chemotherapy pts.?

.....ANSWER..... WBCs, RBCs, platelets, anemic markers

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What are the interventions & safely for pts. with

thrombocytopenia? .....ANSWER..... put on bleeding precautions,

frequent VS, no tight garments, stool softeners

What is involve with pt edu with bone marrow transplantation?

.....ANSWER..... limit exposure to infections for 2-4 wks, watch for

graft-versus-host disease, infection, fever

What is a normal pH level? .....ANSWER..... 7.35-7.45

What is a normal PCO2 level? .....ANSWER..... 35-45

What is a normal HCO3 level? .....ANSWER..... 22-26

What are the causes of respiratory acidosis? .....ANSWER.....

hypoventilation, COPD, overdose, pneumonia, PE, CF

What are the S&S with respiratory acidosis? .....ANSWER.....

confusion, headache, lethargic, decreased BP, v-fib, hypoxia

What is the treatment for respiratory acidosis? .....ANSWER.....

flush chemical out of system, don't give CNS depressants