Question 1

A patient’s blood sample agglutinates when mixed with anti-A serum but not with anti-B serum. Based on the image provided, what is the patient’s blood type?

Accepted Answer

Type A

Question 2

Which of the following best describes the QRS complex in the ECG tracing shown in the image?

Accepted Answer

Ventricular depolarization

Question 3

A blood sample does not agglutinate with either anti-A or anti-B serum. What is the most likely blood type?

Accepted Answer

Type O

Question 4

If a person with type B blood receives type A blood, what will happen and why?

Accepted Answer

Agglutination, because type B blood has anti-A antibodies

Question 5

Which interval on the ECG represents the time from the onset of atrial depolarization to the onset of ventricular depolarization?

Accepted Answer

P-R interval

Question 6

A patient’s ECG shows a prolonged Q-T interval. What might this indicate?

Accepted Answer

Increased risk of ventricular arrhythmias

Question 7

Which blood type is considered the universal donor and why?

Accepted Answer

Type O, because it has no antigens

Question 8

During which phase of the cardiac cycle does the QRS complex occur?

Accepted Answer

Isovolumetric contraction

Question 9

If a blood sample agglutinates with both anti-A and anti-B sera, what is the blood type?

Accepted Answer

Type AB

Question 10

Which of the following equations correctly calculates cardiac output ($$CO$$)?

Accepted Answer

$$CO = HR 	imes SV$$

Question 11

What does the T wave on the ECG represent?

Accepted Answer

Ventricular repolarization

Question 12

A patient with type O blood can safely receive blood from which donor type?

Accepted Answer

Type O

Question 13

Which of the following best describes the function of the P wave in the ECG?

Accepted Answer

Atrial depolarization

Question 14

If a patient’s blood agglutinates with anti-B serum but not with anti-A serum, what is their blood type?

Accepted Answer

Type B

Question 15

Which of the following is the correct formula for stroke volume ($$SV$$)?

Accepted Answer

$$SV = EDV - ESV$$

Question 16

Which blood type is considered the universal recipient and why?

Accepted Answer

Type AB, because it has no antibodies

Question 17

Which segment on the ECG is most useful for detecting myocardial ischemia?

Accepted Answer

S-T segment

Question 18

A patient’s ECG shows an elevated S-T segment. What might this indicate?

Accepted Answer

Myocardial infarction

Question 19

Which of the following best explains why type O blood does not agglutinate with either anti-A or anti-B serum?

Accepted Answer

Type O blood has neither A nor B antigens

Question 20

Which of the following is the correct formula for cardiac reserve ($$CR$$)?

Accepted Answer

$$CR = CO_{max} - CO_{min}$$

Anatomy & Physiology Exam 1 Study Guide – Step-by-Step Guidance

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