General anatomy practice 1 Flashcards
1
Q
- The primordium of the ligamentum teres hepatis is the ______.
a. Umbilical artery
b. Umbilical vein
c. Common cardinal vein
d. Median umbilical fold
A
b. Umbilical vein
2
Q
- Which embryonic structure contributes to the formation of the diaphragm?
a. Cardiogenic mesoderm
b. Septum transverserum
c. Second cervical myotome
d. First branchial arch
A
b. Septum transverserum
3
Q
- Which peritoneal ligament connects the diaphragm to the right lobe of the liver?
a. Left triangular
b. Suspensory
c. Coronary
d. Ligamentum teres
A
c. Coronary
4
Q
- What causes the knee to lock into full extension when weight bearing?
a. Ligamentous tension
b. Medial rotation of the femur on the tibia
c. Contraction of the popliteus muscle
d. Lateral rotation of the femur on the tibia
A
b. Medial rotation of the femur on the tibia
5
Q
- The bones of a symphysis are united by ______ tissue.
a. Ligamentous
b. Tendinous
c. Osseous
d. Fibrocartilaginous
A
d. Fibrocartilaginous
6
Q
- What cells are located in the lacunae of Howship?
a. Osteoclasts
b. Osteoblasts
c Chondrocytes
d. Chondroblasts
A
a. Osteoclasts
7
Q
- Skeletal muscle cells are characterized by a ______.
a. Peripheral nucleus
b. Non-striated appearance
c. Single nucleus
d. Fusiform shape
A
a. Peripheral nucleus
8
Q
- Differentiation of the limb bud is induced by which structure?
a. Cervical sinus
b. Neural crest cells
c. Mesonephric prominence
d. Apical ectodermal ridge
A
d. Apical ectodermal ridge
9
Q
- The talocrural joint is a ______ joint.
a. Planar
b. Uniaxial
c. Biaxial
d. Multiaxial
A
b. Uniaxial
10
Q
- What cells secrete calcitonin?
a. Renal
b. Parathyroid
c. Parafollicular
d. Pancreatic
A
c. Parafollicular
11
Q
- The submandibular duct opens into the ______.
a. Oral cavity proper
b. Nasopharynx
c. Oropharinx
d. Laryngopharinx
A
a. Oral cavity proper
12
Q
- Which of these is a condyloid articulation?
a. Atlantoaxial
b. Radiocarpal
c. Glenohumeral
d. Acromioclavicular
A
b. Radiocarpal
13
Q
- The opponens digiti minimi muscle attaches distally to the ______.
a. Flexor retinaculum
b. Hamate bone
c. Distal phalanx of the fifth digit
d. Fifth metacarpal
A
d. Fifth metacarpal
14
Q
- Which ligament of the knee attaches to the medial aspect of the lateral femoral condyle ?
a. Anterior cruciate
b. Posterior cruciate
c. Tibial collateral
d. Fibular collateral
A
a. Anterior cruciate
15
Q
- The detruser muscle of the urinary bladder is innervated by the ______.
a. T11 spinal nerve
b. Pelvic splanchnic nerves
c. T12 spinal nerve
d. Pudendal nerve
A
b. Pelvic splanchnic nerves
16
Q
- Which structure lies posterior to the pancreas?
a. Inferior mesenteric artery
b. Superior mesenteric artery
c. Transverse colon
d. Pylorus
A
b. Superior mesenteric artery
17
Q
- The cardiac skeleton is composed of ______.
a. Elastic cartilage
b. Fibrous tissue
c. Hyaline cartilage
e. Osseous tissue
A
b. Fibrous tissue
18
Q
- The interventricular septum contains the _____ of the cardiac conducting system.
a. Sinoatrial node
b. Atrioventricular node
c. Purkinje fibers
d. Tendinae chordate
A
c. Purkinje fibers
19
Q
- The medial lip of the linea aspera of the femur is a continuation of what structure?
a. Lateral supracondylar ridge
b. Pectineal line
c. Spiral line
d. Trochanteric fossa
A
b. Pectineal line
20
Q
- The limb buds first appears as small elevations of the ventrolateral body wall during the ______ week of the embryonic development.
a. First
b. Fourth
c. Tenth
d. Fourteenth
A
b. Fourth
21
Q
- Which of these structures is located anterior to the trachea in the superior mediastinum ?
a. Thoracic duct
b. Azygous vein
c. Left brachiocephalic vein
d. Esophagus
A
c. Left brachiocephalic vein
22
Q
- The frontal sinuses drain into the _____.
a. Nasopharynx
b. Middle meatus
c. Inferior meatus
d. Sphenoethmoidal recess
A
b. Middle meatus
23
Q
- Which muscle attaches to the ulnar tuberosity?
a. Brachialis
b. Brachioradialis
c. Pronator teres
d. Triceps brachii
A
a. Brachialis
24
Q
- What is the embryological origin of hepatic parenchyma?
a. Surface ectoderm
b. Endoderm
c. Neuroectoderm
d. Somatic mesoderm
A
b. Endoderm
25
25. The ulnar notch articulates with what structure?
a. Head of the ulna
b. Head of the radius
c. Capitellum
d. Trochlea
a. Head of the ulna
26
26. The esophagus is lined with ______ epithelium.
a. Simple squamous
b. Transitional
c. Stratified squamous
d. Pseudostratified columnar
c. Stratified squamous
27
27. Which bone is formed by intramembranous ossification?
a. Ulna
b. Radius
c. Calcaneus
d. Clavicle
d. Clavicle
28
28. The posterior tibialis muscle has attachments to which of these structures?
a. Lateral condyle of the humerus
b. Medial condyle of the humerus
c. Talar dome
d. Lateral cuneiform
d. Lateral cuneiform
29
29. Where are the cells that produce renin located?
a. Afferent arterioles of the kidney
b. Anterior pituitary
c. Proximal convoluted tubules of the nephron
d. Posterior pituitary
a. Afferent arterioles of the kidney
30
30. Muscles of the appendicular skeleton develops from ______.
a. Myotomal neuroectoderm
b. Sclerotermal surface ectoderm
c. Mesoderm
d. Branchial ectoderm
c. Mesoderm
31
31. Which of these is typically located at the left midclavicular line in the fifth intercostal space?
a. Base of the heart
b. Horizontal lung fissure
c. Tricuspid valve
d. Apex of the heart
d. Apex of the heart
32
32. The transpyloric plane lies at the level of the ______ vertebra.
a. T9
b. T11
c. L1
d. L3
c. L1
33
33. Myoflaments consist of long molecular chains of ______.
a. Hemoglobin
b. Actomyosin
c. Myoglobin
d. Tropocollagen
b. Actomyosin
34
34. The cremasteric layer of the spermatic cord contains fascia that is continuous with which muscle?
a. Pectineus
b. External abdominal oblique
c. Illiacus
d. Internal abdominal oblique
d. Internal abdominal oblique
35
35. The anterior portion of the cloaca develops into the ______.
a. Vagina
b. Pancreas
c. Duodenum
d. Inguinal canal
a. Vagina
36
36. The adenoids are located in the ______.
a. Laryngpharynx
b. Superior mediastinum
c. Nasopharynx
d. Anterior mediastinum
c. Nasopharynx
37
37. Which muscles form the bed of the palatine tonsil?
a. Superior pharyngeal constrictor
b. Styloglossus
c. Palatoglossus
d. Levator veli palatine
a. Superior pharyngeal constrictor
38
38. The deltoid tuberosity is located on the ______ surface of the shaft of the humerus.
a. Proximal anteromedial
b. Proximal anterolateral
c. Distal posteromedial
d. Distal posterolateral
b. Proximal anterolateral
39
39. During finger flexion, which of these muscles is a synergist to the flexor digitorum superficialis?
a. Flexor digitorum profundus
b. Flexor carpi ulnaris
c. Extensor carpi ulnaris
d. Extensor digitorum
a. Flexor digitorum profundus
40
40. The cephalic vein of the arm normally drains into the ______ vein.
a. Basilic
b. Median
c. Radial
d. Brachial
a. Basilic
