Mixed Deck — All Anatomy Exam Topics Flashcards

The pes anserine ('goose's foot') refers to the combined insertion of which muscles at the medial tibia?

Answer: Sartorius, gracilis, and semitendinosus

The pes anserine is the conjoint insertion of sartorius, gracilis, and semitendinosus tendons on the anteromedial tibia, named for its resemblance to a goose's foot.

Which of the following correctly describes the anatomical position?

Answer: Standing upright, arms at the sides, palms facing forward

Anatomical position is defined as standing erect, feet together, arms at the sides with palms facing anteriorly (forward).

Which segment of the nephron lies in the renal medulla exclusively?

Answer: Loop of Henle

The loop of Henle (especially the thin descending and thin ascending limbs) dips into the renal medulla to create the osmotic gradient.

Which of the following bones of the cranial vault is unpaired and forms the anterior aspect, including the forehead and the superior roof of the orbits?

Answer: Frontal bone

The frontal bone is a single, unpaired bone that forms the forehead and the anterior part of the cranial vault. [9, 12] The parietal and temporal bones are paired, with one on each side of the skull. The occipital bone is also a single bone, but it forms the posterior aspect of the cranium. [8]

The duodenum is divided into four parts; which part crosses the vertebral column?

Answer: Third (horizontal) part

The third (horizontal) part of the duodenum crosses the midline at the level of L3, passing anterior to the aorta and IVC.

Which two rotator cuff muscles share innervation from the suprascapular nerve?

Answer: Supraspinatus and infraspinatus

Both the supraspinatus and infraspinatus are innervated by the suprascapular nerve (C5, C6).

A patient is unable to perform inversion and eversion of the foot following an injury. Damage to which of the following joints is most likely responsible for this deficit?

Answer: Subtalar joint

The subtalar joint, formed by the articulation of the talus and calcaneus, is primarily responsible for the movements of inversion and eversion of the foot. The talocrural (ankle) joint is a hinge joint mainly for dorsiflexion and plantarflexion.

Which of the following correctly describes the anatomical position?

Answer: Standing erect, arms at sides, palms facing anteriorly

The anatomical position is standing erect, feet together, arms at the sides with palms facing anteriorly (forward), and thumbs pointing away from the body.

Which structure lies immediately anterior to the left kidney?

Answer: Stomach

The stomach lies directly anterior to the upper portion of the left kidney.

Which type of muscle tissue is found in the walls of hollow organs like the stomach and bladder?

Answer: Smooth muscle

Smooth muscle is involuntary and lines hollow organs such as the stomach, bladder, and blood vessels.

Which connective tissue structure surrounds an entire skeletal muscle?

Answer: Epimysium

The epimysium is the outermost layer of connective tissue that surrounds the entire skeletal muscle.

The ___ of a neuron is the area that receives the impulse.

Answer: Dendrite

Dendrites are the branched, tree-like extensions of a neuron that receive chemical signals (neurotransmitters) from other neurons. They act as the primary input region of the neuron, transmitting these impulses towards the cell body. This makes dendrites the specific area responsible for receiving incoming signals.

Which layer of the skin contains the Meissner's corpuscles?

Answer: Papillary dermis

Meissner's corpuscles (touch receptors) are found in the papillary dermis, especially in fingertips and lips.

Which connective tissue type is found in the stroma of the liver and spleen?

Answer: Reticular

Reticular connective tissue forms the supporting stroma of lymphoid organs and parenchymal organs such as the liver and spleen.

Which of the following is the meaning of the word "mental"?

Answer: Chin

In anatomical terminology, the word 'mental' specifically refers to the chin. This term is derived from the Latin word 'mentum,' which means chin. Therefore, any anatomical structures or regions described as mental are associated with the chin area of the face.

The deltoid ligament of the ankle resists which force?

Answer: Eversion of the foot

The strong deltoid (medial collateral) ligament on the medial side of the ankle is the primary restraint against eversion, making isolated deltoid tears uncommon.

Which blood cell type is responsible for the adaptive immune response?

Answer: Lymphocytes

Lymphocytes (B cells and T cells) mediate the adaptive immune response through antibody production and cell-mediated immunity.

In Marfan syndrome, the primary structural defect involves which connective tissue protein?

Answer: Fibrillin-1

Marfan syndrome results from mutations in the FBN1 gene encoding fibrillin-1, a major component of elastic fiber microfibrils.

The body is divided into ____ by a coronal plane.

Answer: ventral and dorsal

A coronal, or frontal, plane divides the body into anterior (ventral) and posterior (dorsal) portions. This imaginary plane runs vertically, perpendicular to the sagittal plane. It effectively separates the front of the body from the back, providing a fundamental anatomical orientation.

Which cranial nerve is responsible for the efferent limb of the gag reflex?

Answer: CN X (Vagus)

The vagus nerve (CN X) provides the motor (efferent) response of the gag reflex by elevating the palate and constricting the pharynx; CN IX is the afferent limb.