Q: Which formula correctly represents the calculation of cardiac output?

$$Cardiac\ Output = Stroke\ Volume \times Heart\ Rate$$

Q: Which equation represents the calculation of glomerular filtration rate (GFR) using creatinine clearance?

$$GFR = \frac{Urine\ Creatinine \times Urine\ Volume}{Plasma\ Creatinine \times Time}$$

Question 1

Which of the following best describes the primary function of the integumentary system?

Accepted Answer

Protection against environmental hazards and regulation of body temperature

Question 2

A patient presents with swelling in their lower limbs due to lymphatic obstruction. Which system is primarily responsible for returning excess interstitial fluid to the bloodstream?

Accepted Answer

Lymphatic system

Question 3

During a period of dehydration, which hormone is most likely to increase in secretion to help maintain homeostasis?

Accepted Answer

Antidiuretic hormone (ADH)

Question 4

Which equation best represents the calculation of Body Mass Index (BMI), a common measure in nutrition assessment?

Accepted Answer

$$BMI = \frac{weight\ (kg)}{$$height^2$$\ (m^2$)}$$

Question 5

A patient with diabetes insipidus is unable to concentrate urine. Which organ and hormone are most directly involved in this condition?

Accepted Answer

Kidney and antidiuretic hormone (ADH)

Question 6

Which of the following scenarios best illustrates the concept of homeostasis?

Accepted Answer

A person sweats to cool down when their body temperature rises above normal

Question 7

Which neurotransmitter is primarily involved in the transmission of signals at the neuromuscular junction?

Accepted Answer

Acetylcholine

Question 8

A patient is unable to absorb vitamin B12 due to a lack of intrinsic factor. Which organ is most likely affected?

Accepted Answer

Stomach

Question 9

Which of the following is a correct sequence of events in the transmission of a nerve impulse?

Accepted Answer

Depolarization → Repolarization → Resting potential

Question 10

A patient with hypothyroidism is likely to experience which of the following symptoms?

Accepted Answer

Slow metabolism and fatigue

Question 11

Which formula correctly represents the calculation of cardiac output?

Accepted Answer

$$Cardiac\ Output = Stroke\ Volume 	imes Heart\ Rate$$

Question 12

Which of the following best explains the role of the lymphatic system in immunity?

Accepted Answer

It filters pathogens from lymph and houses immune cells

Question 13

A patient is experiencing difficulty in maintaining blood calcium levels. Which hormone is most likely involved?

Accepted Answer

Parathyroid hormone

Question 14

Which of the following is a function of the urinary system?

Accepted Answer

Excretion of metabolic wastes and regulation of fluid balance

Question 15

A patient with Addison's disease has a deficiency in which hormone, leading to problems with sodium retention and blood pressure?

Accepted Answer

Aldosterone

Question 16

Which of the following best describes the process of negative feedback in homeostasis?

Accepted Answer

A process that reverses the direction of change to maintain stability

Question 17

Which equation represents the calculation of glomerular filtration rate (GFR) using creatinine clearance?

Accepted Answer

$$GFR = \frac{Urine\ Creatinine 	imes Urine\ Volume}{Plasma\ Creatinine 	imes Time}$$

Question 18

A patient is unable to distinguish between sweet and salty tastes. Which special sense is most likely affected?

Accepted Answer

Taste (gustation)

Question 19

Which of the following best describes the role of neurotransmitters in neural transmission?

Accepted Answer

They transmit signals across synapses between neurons

Question 20

A newborn is diagnosed with phenylketonuria (PKU), a disorder affecting metabolism. Which system is primarily involved in this condition?

Accepted Answer

Digestive system

Anatomy and Physiology for Nursing and Midwifery 2: Unit Overview and Key Concepts

Guida di studio - Domande di pratica

Study guide - Flashcard