wk 4 review

Question 1

All of the following are effects of PTH on the kidneys except:

Increase the reabsorption of renal tubular calcium
Increase phosphate excretion
Enhance 1 alpha-hydroxylation of 25-hydroxy vitamin D
Increased water loss

Answer 1

Increased water loss

Question 2

Rickets is a deficiency in vitamin D in children. What is the corresponding disease in adults?

Osteogenesis imperfecta
Osteomalacia
Ankylosing spondylitis
Ankylosing spondylitis

Answer 2

Osteomalacia

Question 3

All of the following are functions of calcium except:

Blood coagulation
Nerve cell transmission
Intercellular adhesion
Muscle repolarization

Answer 3

Muscle repolarization

Question 4

A patient was admitted to the critical care unit of a hospital after their lab values came back as abnormal. PTH values were very low, calcium levels were very high, and Vit D 25(OH) levels were extremely high. It is to be noted that the patient has recently had a change in diet and lifestyle, and the patient claimed historically having a very bad diet. Their general practitioner noted that the patient has recently been taking a large amount of vitamin supplements. Based on this information, what is the most likely cause for the lab values?

Hypervitaminosis D
Addison’s Disease
Primary Hypoparathyroidism
Grave’s disease

Answer 4

Hypervitaminosis D

Question 5

This is the pathological state in which the heart fails to adequately supply the metabolic needs of the body, typically due to a decrease in pumping function.

Heart failure
Heart attack
Pulmonary embolism
Angina

Answer 5

Heart failure

Question 6

Which of the following sets of tests would be the most useful in diagnosing an AMI?

AST, LD, CK-MB
LD, CK-MB, troponin
CK-MB, troponin, myoglobin
LD, troponin, myoglobin

Answer 6

CK-MB, troponin, myoglobin

Question 7

These types of cardiac insults can result in cardiac injury and elevated cardiac biomarkers.

A. Myocarditis
B. Cardiomyopathies
C. Wall stress
D. Myocardial infarction
A, B and D
B, C, and D
All of the above

Answer 7

All of the above

Question 8

Which test, if elevated, would provide information about risk for developing coronary artery disease?

Troponin
CK-MB
hs-CRP
Myoglobin

Answer 8

hs-CRP