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Portage A&P1 L6 Exam Questions and
Correct Answers/ Latest Update / Already
Graded
Which of the following statements is TRUE regarding the muscle
pictured above specified by the lab instructor?
Ans: f. b and d are true statements
(b. it elevates scapula; d. innervated by accessory nerve)
Identify the muscle and innervation in the picture above, specified by
the lab instructor. (Dissection of the anterior aspect of the fetal pig)
Ans: Pectoralis Major; medial and lateral pectoral nerve
Which of the following statements is FALSE regarding the muscle
pictured (highlighted in blue and specified by the arrow)?
Ans: It is innervated by the lower scapular nerve (the deltoid is
innervated by the axillary nerve)
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?
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Ans: b. the teres minor is the only rotator cuff muscle
innervated by the axillary nerve
teres minor:
Ans: b. prevents upward slippage of the humerus during
abduction
Brachialis: (mark all that apply)
Ans: - primary action is flexion of the elbow
- innervated by the musculocutaneous nerve
Triceps Brachii: (mark all that apply)
Ans: - extends elbow
- innervated by radial nerve
Flexor Carpi Radialis: (mark all that apply)
Ans: - flexes the wrist
- innervated by the median nerve
Extensor Carpi Ulnaris: (mark all that apply)
All rights reserved © 2025/ 2026 |
Portage A&P1 L6 Exam Questions and
Correct Answers/ Latest Update / Already
Graded
Which of the following statements is TRUE regarding the muscle
pictured above specified by the lab instructor?
Ans: f. b and d are true statements
(b. it elevates scapula; d. innervated by accessory nerve)
Identify the muscle and innervation in the picture above, specified by
the lab instructor. (Dissection of the anterior aspect of the fetal pig)
Ans: Pectoralis Major; medial and lateral pectoral nerve
Which of the following statements is FALSE regarding the muscle
pictured (highlighted in blue and specified by the arrow)?
Ans: It is innervated by the lower scapular nerve (the deltoid is
innervated by the axillary nerve)
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?
All rights reserved © 2025/ 2026 |
, Page |2
Ans: b. the teres minor is the only rotator cuff muscle
innervated by the axillary nerve
teres minor:
Ans: b. prevents upward slippage of the humerus during
abduction
Brachialis: (mark all that apply)
Ans: - primary action is flexion of the elbow
- innervated by the musculocutaneous nerve
Triceps Brachii: (mark all that apply)
Ans: - extends elbow
- innervated by radial nerve
Flexor Carpi Radialis: (mark all that apply)
Ans: - flexes the wrist
- innervated by the median nerve
Extensor Carpi Ulnaris: (mark all that apply)
All rights reserved © 2025/ 2026 |
