251-300 Flashcards
1
Q
- Which of the four basic tissue types does blood belong to://
A
epithelium, connective tissue, muscle and nervous tissue.
2
Q
- Which of the following is not considered a “formed element”://
A
platelets
3
Q
- Approximately what percentage of the volume of blood do the formed elements comprise://
A
45%
4
Q
- Which leukocyte is the least abundant in a peripheral smear of blood://
A
Basophils
5
Q
- Which of the following is a granulocyte://
A
Neutrophils, eosinophils, and basophils are granulocytes.
6
Q
- Which is the largest leukocyte://
A
Monocyte
7
Q
- Which of the following is described as a “biconcave disc”://
A
red blood cell.
8
Q
- What is another term for a red blood cell://
A
erythrocytes
9
Q
- Which leukocyte has orange-pink granules://
A
Eosinophils
10
Q
- Which leukocyte is the second most abundant in a peripheral smear of blood://
A
Lymphocytes
11
Q
- How many types of cartilage are there://
A
three types of cartilage: hyaline, fibrous, and elastic cartilage.
12
Q
- Which type of cartilage forms the intervertebral disc://
A
Fibrocartilage
13
Q
- What cell produces the cartilaginous matrix://
A
chondrocytes
14
Q
- Which type of cartilage is characterized by a glassy matrix://
A
Hyaline cartilage
15
Q
- Which type of cartilage forms the articular surface on bones://
A
hyaline cartilage
16
Q
- What is woven bone://
A
17
Q
- What is bone formation called when the bone is formed directly, without using a cartilage
template: //
A
Intramembranous bone formation
18
Q
- What forms the epiphyseal growth plate://
A
cartilage
19
Q
- What are the mineral crystals in bone called://
A
Calcite
20
Q
- What is bone formation called when the bone is formed from a cartilage template://
A
Endochondral
21
Q
- Which of the following is involved in the blood brain barrier://
A
The blood–brain barrier is formed by endothelial cells of the capillary wall, astrocyte and pericytes
embedded in the capillary basement membrane.
22
Q
- Which of the following forms myelin in the peripheral nervous system://
A
Schwann cells
23
Q
- Which of the following is an element of the central nervous system://
A
brain and spinal cord.
24
Q
- What is a collection of cell bodies outside the CNS called://
A
ganglion
25
275. Which of the following is the most abundant neuroglia cell://
Astrocytes
26
276. What is the end of an axon called://
synaptic buttons or axon terminals
27
277. Which of the following forms myelin in the central nervous system://
oligodendrocytes
28
278. What is the primary component of myelin://
lipid
29
279. What are neurons in the retina://
photoreceptors, bipolar cells, ganglion cells, horizontal cells, and amacrine cells. ..
30
280. What is another term for the cell body of a neuron://
perikaryon or soma.
31
271. Which of the following is involved in the blood brain barrier://
The blood–brain barrier is formed by endothelial cells of the capillary wall, astrocyte and pericytes
embedded in the capillary basement membrane.
32
272. Which of the following forms myelin in the peripheral nervous system://
Schwann cells
33
273. Which of the following is an element of the central nervous system://
Schwann cells
34
273. Which of the following is an element of the central nervous system:/
brain and spinal cord
35
274. What is a collection of cell bodies outside the CNS called://
ganglion
36
275. Which of the following is the most abundant neuroglia cell://
Astrocytes
37
276. What is the end of an axon called://
synaptic buttons or axon terminals
38
277. Which of the following forms myelin in the central nervous system://
oligodendrocytes
39
278. What is the primary component of myelin:
lipid
40
279. What are neurons in the retina:
photoreceptors, bipolar cells, ganglion cells, horizontal cells, and amacrine cells
41
280. What is another term for the cell body of a neuron:
perikaryon or soma.
42
281. Which of the following is composed of smooth muscle:/
Walls of blood vessels, Walls of stomach
Ureters, Intestines, In the aorta (tunica media layer), Iris of the eye, Prostate, Gastrointestinal Tract, Respiratory Tract, Small arteries, Arterioles, Reproductive tracts (both genders), Veins, Glomeruli of the Kidneys (called mesangial cells), Bladder, Uterus, Arrector pili of the skin
Ciliary muscle, Sphincter, Trachea, Bile duct
43
282. Which fiber type has more myoglobin:
Red fibers
44
283. What is line that bisects the dark band in muscle:
H band
45
284. What is the outer connective tissue covering of a muscle:/
epimysium
46
285. What is myosin:/
fibrous globulin of muscle that can split ATP and that reacts with actin in muscle contraction to form
actomyosin
47
286. Which of the following is composed of skeletal muscle
48
287. What type of muscle is always multinucleated:/
Skeletal muscle
49
288. What is another term for muscle cells:
myocyte
50
289..
.
Which of the following contains a substantial amount of smooth muscle:
51
290 Which one of the following is a correct statement concerning Haversian systems (osteons)?:
52
291The formation of bone in the absence of a pre-existing cartilage framework is called:/
nonlamellar.
53
292. Demineralized bone consists chiefly of:
Collagen
54
293. In a slide showing spongy bone formed solely by intramembranous ossification, all of the following features may be found upon microscopic examination except://
Periosteum
55
294. The oldest lamella of a Haversian system (osteon) is://
the most peripheral lamella
56
295. the most peripheral lamella bone grows in length as a result of://
57
296. The largest cell typically present in bone marrow is the://
megakaryocytes
58
297.
| Myelopoiesis refers to the formation of :/
Myelopoiesis is the regulated formation of myeloid cells, including eosinophilic granulocytes, basophilic granulocytes, neutrophilic granulocytes, and monocytes.
59
298. The circulating white blood cells which are fewest in number are the://
basophils
60
299. Osteoclasts arise from:/
hematopoietic progenitors
61
300. Osteocytes arise most directly from:
mesenchyme
62
What do you call a fly without wings
A walk
