NSG 316 Exam 3 Bolded Terms Expected Questions and Verified
Answers (2026-2027)
Question 1.
First heart sound S1 signals...
Correct Answer: beginning of systole
Question 2.
First heart sound S1 is loudest at...
Correct Answer: the apex
Question 3.
Second heart sound S2 occurs with...
Correct Answer: closure of semilunar valves
Question 4.
Second heart sound S2 is loudest at...
Correct Answer: the base
Question 5.
Third heart sound S3 occurs...
Correct Answer: immediately after S2, when AV valves open and atrial blood
first pours into ventricles
Question 6.
Third heart sound S3 is abnormal in...
Correct Answer: -adults may indicate heart failure -persons over age 35
Question 7.
what happens during the Fourth heart sound S4?
Correct Answer: Atria contract and push blood into noncompliant ventricle
Question 8.
murmurs
Correct Answer: Gentle, blowing, swooshing sound (turbulent blood flow) that
can be heard on chest wall
, Question 9.
what are the characteristics of sound?
Correct Answer: frequency or pitch intesity or loudness duration timing
Question 10.
frequency or pitch
Correct Answer: described as high pitched or low pitched
Question 11.
intensity or loudness
Correct Answer: loud or soft
Question 12.
duration
Correct Answer: very short for heart sounds: silent periods are longer
Question 13.
timing
Correct Answer: systole or diastole
Question 14.
what kind of artery is the carotid artery?
Correct Answer: a central artery, closr to the heart
Question 15.
the carotid artery timing closely coincides with...
Correct Answer: ventricular systole
Question 16.
where is the carotid artery pulse located?
Correct Answer: in groove between trachea and sternocleidomastoid muscle
Answers (2026-2027)
Question 1.
First heart sound S1 signals...
Correct Answer: beginning of systole
Question 2.
First heart sound S1 is loudest at...
Correct Answer: the apex
Question 3.
Second heart sound S2 occurs with...
Correct Answer: closure of semilunar valves
Question 4.
Second heart sound S2 is loudest at...
Correct Answer: the base
Question 5.
Third heart sound S3 occurs...
Correct Answer: immediately after S2, when AV valves open and atrial blood
first pours into ventricles
Question 6.
Third heart sound S3 is abnormal in...
Correct Answer: -adults may indicate heart failure -persons over age 35
Question 7.
what happens during the Fourth heart sound S4?
Correct Answer: Atria contract and push blood into noncompliant ventricle
Question 8.
murmurs
Correct Answer: Gentle, blowing, swooshing sound (turbulent blood flow) that
can be heard on chest wall
, Question 9.
what are the characteristics of sound?
Correct Answer: frequency or pitch intesity or loudness duration timing
Question 10.
frequency or pitch
Correct Answer: described as high pitched or low pitched
Question 11.
intensity or loudness
Correct Answer: loud or soft
Question 12.
duration
Correct Answer: very short for heart sounds: silent periods are longer
Question 13.
timing
Correct Answer: systole or diastole
Question 14.
what kind of artery is the carotid artery?
Correct Answer: a central artery, closr to the heart
Question 15.
the carotid artery timing closely coincides with...
Correct Answer: ventricular systole
Question 16.
where is the carotid artery pulse located?
Correct Answer: in groove between trachea and sternocleidomastoid muscle