OCR AS Biology 4

Welcome to your OCR AS Biology 4

Which of the following is a treatment option for lung cancer?
a. Radiotherapy
b. Surgery
c. Organ transplant
d. Chemotherapy
e. Cryotherapy

The hormone which facilitates the release of bile.

Which compound is formed when carbon monoxide combines with haemoglobin?

Number of openings in the right auricle.

Which of the following is incorrect regarding a mammalian heart?

Which of the following methods are used to locate tumours in the lungs?

Which artery arises from the right ventricle?

Which is not an effect of nicotine?

An animal phylum which possesses an open circulatory system.

Select the correct statement regarding lung cancer.

The closest membrane to the heart muscle.

Which of the following is not a characteristic of a double circulation?

Treatment options for lung cancer is dependant on the following factors.
a. Type of lung cancer.
b. Occurance of metastasis.
c. History of genetic diseases.
d. Severity of the disease.

Tiny vessels that link arteries and veins.

What is the unit of blood pressure?

Which of the following digests DNA?

What is the function of renin?

Which of the following is a bile salt?

A distinct feature of a closed circulatory system.

The 2 components of tobacco smoke that cause short term effects on the cardiovascular system.