Question 1

The umbilical system carries oxygenated blood.

Accepted Answer

A) True 
 B)False  True

Question 2

Before the development of the vascular system,the vitelline system provides nutrients to the embryo.

Accepted Answer

A) True 
 B)False  True

Question 3

Blood cells arise from cells called

Accepted Answer

A)   neuroblasts.
B)   fibroblasts.
C)   osteoblasts.
D)   angioblasts. D

Question 4

Smooth muscle is consciously controlled.

Accepted Answer

A) True 
 B)False

Question 5

Which organelle produces microtubules?

Accepted Answer

A)   Nucleus
B)   Centriole
C)   Golgi apparatus
D)   Endoplasmic reticulum

Question 6

The ovum contains twice as many chromosomes as its parent cell.

Accepted Answer

A) True 
 B)False

Question 7

Which type of bone formation occurs through a tight matrix of collagen fibers,which slowly calcify into bone?

Accepted Answer

A)   Endochondral
B)   Intramembranous
C)   Epiphyseal
D)   Interstitial growth

Question 8

Spindles present during mitosis are attached to centromeres.

Accepted Answer

A) True 
 B)False

Question 9

The information in mRNA is translated by ribosomes located on the surface of the rough endoplasmic reticulum.

Accepted Answer

A) True 
 B)False

Question 10

Developmental abnormalities are not associated with which number of chromosomes?

Accepted Answer

A)   44
B)   45
C)   46
D)   47

Question 11

Myotome produces which of the following types of tissue?

Accepted Answer

A)   Connective
B)   Muscle
C)   Nerve
D)   Epithelial

Question 12

Endoderm and ectoderm are the first two germ layers to develop.

Accepted Answer

A) True 
 B)False

Question 13

Tissues are most susceptible to teratogens during the proliferative period.

Accepted Answer

A) True 
 B)False

Question 14

The embryonic skeleton first forms as bone.

Accepted Answer

A) True 
 B)False

Question 15

Melanocytes are responsible for skin pigment.

Accepted Answer

A) True 
 B)False

Question 16

Fertilization takes place in the distal part of the uterine tube.

Accepted Answer

A) True 
 B)False

Question 17

Which cellular component facilitates protein synthesis?

Accepted Answer

A)   Ribosomes
B)   Lysosomes
C)   Mitochondria
D)   Plasmalemma

Question 18

Which phase of the cell cycle is characterized as the initial resting stage?

Accepted Answer

A)   S phase
B)   G1 phase
C)   G2 phase
D)   Prophase

Question 19

Posttranslational modifications to proteins produced by the rough endoplasmic reticulum are accomplished by __________.

Accepted Answer

A)   mitochondria
B)   Golgi apparatus
C)   messenger RNA
D)   smooth endoplasmic reticulum

Question 20

Intercalated disks are present in which type of muscle?

Accepted Answer

A)   Cardiac
B)   Smooth
C)   Skeletal
D)   Voluntary

Exam 1: Development and Structure of Cells and Tissues

The umbilical system carries oxygenated blood.

Before the development of the vascular system,the vitelline system provides nutrients to the embryo.

Blood cells arise from cells called

Smooth muscle is consciously controlled.

Which organelle produces microtubules?

The ovum contains twice as many chromosomes as its parent cell.

Which type of bone formation occurs through a tight matrix of collagen fibers,which slowly calcify into bone?

Spindles present during mitosis are attached to centromeres.

The information in mRNA is translated by ribosomes located on the surface of the rough endoplasmic reticulum.

Developmental abnormalities are not associated with which number of chromosomes?

Myotome produces which of the following types of tissue?

Endoderm and ectoderm are the first two germ layers to develop.

Tissues are most susceptible to teratogens during the proliferative period.

The embryonic skeleton first forms as bone.

Melanocytes are responsible for skin pigment.

Fertilization takes place in the distal part of the uterine tube.

Which cellular component facilitates protein synthesis?

Which phase of the cell cycle is characterized as the initial resting stage?

Posttranslational modifications to proteins produced by the rough endoplasmic reticulum are accomplished by __________.

Intercalated disks are present in which type of muscle?