PORTAGE LEARNING BIOD 151 A&P 1 LAB 6 EXAM
1. Which of the following statements is TRUE regarding the muscle pictured above specified by the lab
instructor?
a. It is an accessory muscle in breathing
b. It elevates the scapula
c. It protracts the scapula
d. It is innervated by the accessory nerve
e. a. and. c. are true statements
f. b. and d. are true statements
1. Which of the following statements is FALSE regarding the muscle pictured above depicted by the lab
instructor?
a. It protracts the scapula
b. It stabilizes the scapula
c. It works with the pectoralis minor to draw the scapula forward and laterally
d. All of the above statements are true
e. All of the above statements are false
2. Identify the muscle and innervation in the picture above, specified by the lab instructor.
(Dissection of the anterior aspect of the
fetal pig) Pectoralis Major; medial and
lateral pectoral nerve
2. Identify the muscle in the picture above, specified by the lab instructor, and list its actions.
Latissimus Dorsi; adducts and medially rotates the humerus, and extends the shoulder.
, 3. Which of the following statements is TRUE regarding the middle portion of the muscle pictured
a. It is innervated by the axillary nerve
b. It abducts the humerus
c. It flexes the humerus
d. It extends the humerus
e. a. and b. are true statements
f. a. and c. are true statements
g. a. and d. are true statements
3. Which of the following statements is FALSE regarding the muscle pictured (highlighted in
blue and specified by the arrow)?
a. It is innervated by the lower scapular nerve
b. It abducts the humerus
c. It flexes the humerus
d. It extends the humerus
e. All of the above statements are true You Answered
f. All of the above statements are false
4. Your patient has sustained a rotator cuff injury. It is determined that the axillary nerve was
damaged as a result. Given this information, which of the muscles pictured above would you
expect to be affected?
b. - The teres minor is the only rotator cuff muscle innervated by the
axillary nerve.
1. Which of the following statements is TRUE regarding the muscle pictured above specified by the lab
instructor?
a. It is an accessory muscle in breathing
b. It elevates the scapula
c. It protracts the scapula
d. It is innervated by the accessory nerve
e. a. and. c. are true statements
f. b. and d. are true statements
1. Which of the following statements is FALSE regarding the muscle pictured above depicted by the lab
instructor?
a. It protracts the scapula
b. It stabilizes the scapula
c. It works with the pectoralis minor to draw the scapula forward and laterally
d. All of the above statements are true
e. All of the above statements are false
2. Identify the muscle and innervation in the picture above, specified by the lab instructor.
(Dissection of the anterior aspect of the
fetal pig) Pectoralis Major; medial and
lateral pectoral nerve
2. Identify the muscle in the picture above, specified by the lab instructor, and list its actions.
Latissimus Dorsi; adducts and medially rotates the humerus, and extends the shoulder.
, 3. Which of the following statements is TRUE regarding the middle portion of the muscle pictured
a. It is innervated by the axillary nerve
b. It abducts the humerus
c. It flexes the humerus
d. It extends the humerus
e. a. and b. are true statements
f. a. and c. are true statements
g. a. and d. are true statements
3. Which of the following statements is FALSE regarding the muscle pictured (highlighted in
blue and specified by the arrow)?
a. It is innervated by the lower scapular nerve
b. It abducts the humerus
c. It flexes the humerus
d. It extends the humerus
e. All of the above statements are true You Answered
f. All of the above statements are false
4. Your patient has sustained a rotator cuff injury. It is determined that the axillary nerve was
damaged as a result. Given this information, which of the muscles pictured above would you
expect to be affected?
b. - The teres minor is the only rotator cuff muscle innervated by the
axillary nerve.
