Tooth

Q.

What is the function of bile salts?

Q.

In which part most of the carbohydrate digestion take place?

Q. Which of the following papillae is absent in adult human?

1. Circumvallate
2. Fungiform
3. Foliate
4. Filliform

Q.

Monophyodont teeth occur in

1. humans

2. frogs

3. whales

4. rats

Q. In the ____________type of dentition, teeth are embedded in the sockets in the jaw bone.

1. thecodont
2. diphyodont
3. heterodont
4. monophyodont

Q. The kidneys are stimulated to produce renin,

1. When the peritubular capillaries are dilated.
2. When the pH of the urine decreases.
3. When there is a decrease in the blood pressure.
4. When the specific gravity of urine rises above 1.10.

Q. The glomerular filtrate in the loop of Henle gets concentrated in the descending and then gets diluted in the ascending limbs. Explain.

Q.

What do we call the type of teeth attachment to jaw bones in which each tooth is embedded in a socket of jaws bones?

Q. Enamel of tooth is secreted by

1. osteoblast
2. ameloblast
3. odontoblast
4. (b) and (c)

Q. Which of the following are characteristics of human teeth?

1. They are thecodont
2. They are heterodont
3. They are diphyodont
4. All of the above

Q.

Why glucose is not found in the urine of a healthy person?

Q. Which of the following gastric secretions is correctly matched with its source?

1. Chymotrypsin - Parietal cells
2. HCl - Goblet cells
3. Pepsinogen - Chief cells
4. Mucus - Oxyntic cells

Q. Enamel forming cells are called______________ and dentine forming cells are called ______________

1. cement , osteoblast
2. ameloblast , odontoblast
3. odontoblast , ameloblast
4. ameloblast, cement

Q.

Pepsinogen is secreted from

1. Argentaffin cells

2. Goblet cells

3. Chief cells

4. Parietal cells

Q.

Name and define the process that occurs in the glomerulus.

Q. If the chyme of a person who had orally consumed only starch as food is analysed before it enters the duodenum, it will show the presence of

1. starch, dextrin and glucose
2. dextrin and maltose
3. maltose and glucose
4. starch, dextrin and maltose

Q. Match the following
$\begin{array}{cc}\text{Parts of teeth}& \text{Description}\\ \text{1. Enamel}& \text{i) It is a calcified substance that helps in joining}\\ & \text{the teeth in the socket}\\ \text{2. Dentine}& \text{ii) It consists of connective tissue, nerve fibres,}\\ & \text{lymph and blood vessels.}\\ \text{3. Cement}& \text{iii) It is the outermost layer of the teeth and}\\ & \text{the hardest substance of the body.}\\ \text{4. Pulp cavity}& \text{iv) It joins enamel and pulp.}\end{array}$

1. 1-iii, 2-ii, 3-i, 4-iv
2. 1-iii, 2-i, 3-iv, 4-ii
3. 1-iii, 2-iv, 3-i, 4-ii
4. 1-ii, 2-iv, 3-i, 4-iii

Q. The dentition not found in man is _______.

1. thecodont
2. heterodont
3. diphyodont
4. homodont

Q. The initial step in digestion of milk in humans is carried out by ________.

1. Lipase
2. Trypsin
3. Rennin
4. Pepsin

Q. Odontoblast cells form ______________ of human teeth.

1. enamel
2. cement
3. pulp cavity
4. dentine

Q. Starch digestion begins in ______

1. The mouth
2. The oesophagus
3. The stomach
4. The small intestine

Q. Wharton’s duct is present in

1. Parotid gland
2. Sublingual gland
3. Submaxillary gland
4. Pancreatic gland

Q. A secretion that digests both carbohydrates and proteins is

1. Ptyalin
2. Pepsin
3. Pancreatic juice
4. Saliva

Q. Odontoblast cells form ______________ of human teeth.

1. enamel
2. cement
3. pulp cavity
4. dentine

Q.

Match the following elements of Urine analysis

$\begin{array}{cc}ColumnI& ColumnII\\ i.\text{Glucose in urine}& a.\text{Acidosis}\\ ii.\text{Protein in the urine}& b.\text{Glycosuria}\\ iii.\text{High amount of Pus cells}& c.\text{Albuminuria}\\ iv.\text{Ketones in urine}& d.\text{Infection}\end{array}$

1. i). a ., ii). c., iii). b., iv). d

2. i).b., ii). c., iii).v d., iv). a

3. i). a., ii). d., iii). b., iv). c

4. i).d., ii).c., iii). b., iv). a

Q.

Name different types of teeth and their number in an adult human.

Q.

Read the following statements (1 - 2) and select the correct option.

1 : Splint bones of present day horse is vestige of fourth toe.
2 : Vestigial organs occur as useless organs because of complete development.

1. Both statement 1 and 2 are correct
2. Both statement 1 and 2 are incorrect
3. Statement 1 is correct and statement 2 is incorrect
4. Statement 1 is incorrect and statement 2 is correct

Q. Chymotrypsin helps in the breakdown of

1. all the above
2. proteoses
3. proteins
4. peptones

Q. State whether the following statements are true or false.
(i) Pulp cavity is surrounded by dentine.

1. False
2. True

Q. What does the crown of a tooth consist of?

1. enamel
2. pulp
3. dentine
4. enamel, dentine, and pulp