Brs gross anatomy Study guides, Class notes & Summaries

(C) In the left fifth intercostal space Rationale: On the surface of the chest, the apex of the heart can be located in the left fifth intercostal space slightly medial to the midclavicular (or nipple) line. The sternal angle is located at the level where the second ribs articulate with the sternum. The xiphoid process lies at the level of T10 vertebra. - ANSWER-1. A 32-year-old patient who weighs 275 lb comes to the doctor's office. On the surface of the chest, the physician is able to loc...

1. A 27-year-old patient exhibits a loss of skin sensation and paralysis of muscles on the plantar aspect of the medial side of the foot. Which of the following nerves is most likely damaged? (A) Common peroneal (B) Tibial (C) Superficial peroneal (D) Deep peroneal (E) Sural - ANSWER-(B) Tibial Rationale: The common peroneal nerve divides into the deep peroneal nerve, which innervates the anterior muscles of the leg and supplies the adjacent skin of the first and second toes, and the su...

If a stab wound lacerated the posterior humeral circumflex artery passing through the quadrangular space on the shoulder region, which of the following nerves would be injured? A) Radial nerve B) Axillary nerve C) Thoracodorsal nerve D) Suprascapular nerve E) Accessory nerve - B) The axillary nerve runs posteriorly to the humerous, accompanying the posterior humeral circumflex artery through the quadrangular space and innervating the teres minor and deltoid muscles - none of the other n...

A 63-year-old man comes to the emergency department with back pain, weakness, and shortness of breath. On examination, he has an aneurysm of the abdominal aorta at the aortic hiatus of the diaphragm. Which of the following pairs of structures would most likely be compressed? (A) Vagus nerve and azygos vein (B) Esophagus and vagus nerve (C) Azygos vein and thoracic duct (D) Thoracic duct and vagus nerve (E) Inferior vena cava (IVC) and phrenic nerve - ANSWER-(C) Azygos vein and thoracic du...

A 63-year-old man comes to the emergency department with back pain, weakness, and shortness of breath. On examination, he has an aneurysm of the abdominal aorta at the aortic hiatus of the diaphragm. Which of the following pairs of structures would most likely be compressed? (A) Vagus nerve and azygos vein (B) Esophagus and vagus nerve (C) Azygos vein and thoracic duct (D) Thoracic duct and vagus nerve (E) Inferior vena cava (IVC) and phrenic nerve - ANSWER-(C) Azygos vein and thoracic du...

If a stab wound lacerated the posterior humeral circumflex artery passing through the quadrangular space on the shoulder region, which of the following nerves would be injured? A) Radial nerve B) Axillary nerve C) Thoracodorsal nerve D) Suprascapular nerve E) Accessory nerve - ANSWER-B) The axillary nerve runs posteriorly to the humerous, accompanying the posterior humeral circumflex artery through the quadrangular space and innervating the teres minor and deltoid muscles - none of the oth...

Axial skeleton - ANSWER-includes the skull, vertebral column, ribs, and sternum. Bones - ANSWER-serve as a reservoir for calcium and phosphorus and act as biomechanical levers on which muscles act to produce the movements. Long bones - ANSWER-have a shaft (diaphysis) and two ends (epiphyses). The metaphysis is a part of the diaphysis, the growth zone between the diaphysis and epiphysis during bone development. Sesamoid bones - ANSWER-develop in certain tendons and reduce friction on the...

If a stab wound lacerated the posterior humeral circumflex artery passing through the quadrangular space on the shoulder region, which of the following nerves would be injured? A) Radial nerve B) Axillary nerve C) Thoracodorsal nerve D) Suprascapular nerve E) Accessory nerve - B) The axillary nerve runs posteriorly to the humerous, accompanying the posterior humeral circumflex artery through the quadrangular space and innervating the teres minor and deltoid muscles - none of the other n...

Axial skeleton - includes the skull, vertebral column, ribs, and sternum. Bones - serve as a reservoir for calcium and phosphorus and act as biomechanical levers on which muscles act to produce the movements. Long bones - have a shaft (diaphysis) and two ends (epiphyses). The metaphysis is a part of the diaphysis, the growth zone between the diaphysis and epiphysis during bone development. Sesamoid bones - develop in certain tendons and reduce friction on the tendon. Osteoblast - synthesiz...

(E) Round ligament of the uterus Rationale: The round ligament of the uterus runs laterally from the uterus through the deep inguinal ring, inguinal canal, and superficial inguinal ring and becomes lost in the subcutaneous tissues of the labium majus. Thus, carcinoma of the uterus can spread directly to the labium majus by traveling in lymphatics that follow the ligament. - ANSWER-1. A 68-year-old woman with uterine carcinoma undergoes surgical resection. This cancer can spread directly to ...